What is JavaScript?

Talk about what JavaScript is and the role it plays in the realm of computer science.

We'll cover the following

Introduction

JavaScript is a programming language for the web. Its syntax is based on Java and C languages. Used in both the front-end and back-end of many platforms, JavaScript has become a standard. For every animated or interactive object you see online, chances are JavaScript is involved.

JavaScript’s language is widely used to create a more interactive front-end. Still, it is used in competition with other languages to create web scrapers, servers, and many other tools. This is because of the language and design decisions made when creating the language.

According to the 2020 Stack Overflow Developer Survey , JavaScript is the most popular coding language.

Top 5 most popular technologies:

  1. JavaScript 🎉
  2. HTML/CSS
  3. SQL
  4. Python
  5. Java

Who is JavaScript for?

JavaScript was built as a scripting language and now is used for multiple tasks like:

  • Creating interactive web pages
  • Creating mobile applications
  • Creating browser extensions
  • Creating back-end for servers

Along with the above tasks, JavaScript can script any daily tasks such as managing file systems or crawling the web. So, if you are looking to learn or reinforce concepts of JavaScript, then you have come to the right place.

Features of the JavaScript language

Despite the straightforward syntax of JavaScript, the language has many great features. Some of the features are:

  • Prototype-based OOP (Object-oriented Programming) system
  • Type coercion
  • Functional programming
  • Asynchronous programming
  • Input validation
  • Event handling

JavaScript is a really important and in-demand language as mentioned above.